/**
 * FLex display helper
 */
.flex
  display flex
.flex-inline
  display inline-flex
.flex-1
  flex 1
.flex-row
  flex-direction row
.flex-column
  flex-direction column
.flex-main-center
  justify-content center
.flex-main-start
  justify-content flex-start
.flex-main-end
  justify-content flex-end
.flex-cross-center
  align-items center
.flex-between
  justify-content space-between
